(19)

(11)

EP 2 263 128 A2

(12)

(88) Date of publication A3: 01.04.2010 (43) Date of publication: 22.12.2010 Bulletin 2010/51 (21) Application number: 09719932.7 (22) Date of filing: 02.03.2009

(51) International Patent Classification (IPC):  G05B 13/02(2006.01) (86) International application number: PCT/US2009/035664 (87) International publication number: WO 2009/114309 (17.09.2009 Gazette 2009/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA RS (30) Priority: 03.03.2008 US 33202 03.03.2008 US 33210 03.03.2008 US 33185 27.02.2009 US 394509 27.02.2009 US 394200 27.02.2009 US 394654 (71) Applicant: ALSTOM Technology Ltd 5400 Baden (CH)	(72) Inventors: LOU, Xinsheng West Hartford CT 06117 (US) NEUSCHAEFER, Carl, H. Enfield CT 06082 (US) (74) Representative: Hellwig, Tillmann Johannes  Dreiss Patentanwälte Postfach 10 37 62 70032 Stuttgart 70032 Stuttgart (DE)